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J/$\Psi$ production through resolved photon processes at $e^+e^-$ colliders

Godbole, RM and Indumathi, D and Krämer, M (2002) J/$\Psi$ production through resolved photon processes at $e^+e^-$ colliders. In: Physical Review D, 65 (7). 074003-1-074003-7.

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We consider J/$\Psi$ photoproduction in $e^+e^-$ as well as linear photon colliders. We find that the process is dominated by the resolved photon channel. Both the once-resolved and twice-resolved cross sections are sensitive to (different combinations of) the color octet matrix elements. Hence, this may be a good testing ground for color octet contributions in NRQCD. On the other hand, the once-resolved J/$\Psi$ production cross section, particularly in a linear photon collider, is sensitive to the gluon content of the photon. Hence these cross sections can be used to determine the parton distribution functions, especially the gluon distribution, in a photon, if the color octet matrix elements are known.

Item Type: Journal Article
Publication: Physical Review D
Publisher: American Physical Society
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Centre for Theoretical Studies (Ceased to exist at the end of 2003)
Date Deposited: 02 Jun 2006
Last Modified: 19 Sep 2010 04:28
URI: http://eprints.iisc.ac.in/id/eprint/7443

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